//解析参数
function getQueryParams() {
  var url = location.search //获取url中"?"符后的字串
  var theRequest = new Object()
  if (url.indexOf("?") != -1) {
    var str = url.substr(1)
    strs = str.split("&")
    for (var i = 0; i < strs.length; i++) {
      theRequest[strs[i].split("=")[0]] = unescape(strs[i].split("=")[1])
    }
  }
  return theRequest
}